will cause the toilet to fail and burst after 10 flushes, so the guys convene to try and fix it (referencing Apollo 13'''s Ken Mattingly), working for a whole night to find a solution and even testing the toilet with meatloaf made by Howard's mother. Howard 's fix fails and the ISS astronauts all go on an unscheduled "spacewalk". At the comic book store, Stuart tells Leonard that he is having a second date with Penny and asks for advice. Leonard deliberately avoids Stuart for as long as possible, and finally gives him bad advice. The next day, Leonard feels guilty and goes to apologize to him. Stuart reveals the date went well until they started making out in his car and Penny accidentally called him "Leonard". Leonard is secretly delighted.Title reference: The classified "space toilet" that Howard and the guys try to repair. |LineColor = 02A9A3 }} }}</onlyinclude> Reception Compared to season one, the second season received critical acclaim. Jessica Paff of Screener wrote that "if they can keep the funny coming, I will keep watching", Ken Tucker of Entertainment Weekly praised the improvements to the character of Sheldon Cooper, writing that "Prickly Sheldon has become a character to love, and [actor Jim] Parsons is doing something rare on network TV: making intellectualism admirable, even heroic", and James Chamberlin of IGN'' wrote that "Jim Parsons is a riot and is reason enough to tune in each week." Notes References General references External links 2008 American television seasons 2009 American television seasons The Big Bang Theory seasons